Only one entry is permitted per transaction number. Submissions with multiple entries will be disqualified. Each winning transaction number will receive a pair of tickets to the autograph session, regardless of the number of tickets purchased with that transaction number. Applications for this draw will close on 8 May 2011 (11.59pm, Singapore time), in order to be eligible for the ballot. Singapore GP Pte Ltd may, at any time, at its sole discretion and without prior notice modify these terms and conditions. Submitted entries are to be accurately completed to be deemed as eligible. Prize tickets are not exchangeable and cannot be sold to a third party or redeemed for cash. Winners will be notified of prize collection personally. Only successful entrants will be contacted.